interface SpeakHello {
	void speak();
}
class HelloMachine {
	public void turnOn(SpeakHello hello) {
		hello.speak();
	}
}
public class Example7_3 {
	public static void main(String[] args) {
		HelloMachine machine = new HelloMachine();
		machine.turnOn(new SpeakHello() {   //和接口SpeakHello有关的匿名类
			public void speak() {
				System.out.println("hello,you are welcome!");
			}
		});
		machine.turnOn(new SpeakHello() {      //和接口SpeakHello有关的匿名类
			public void speak() {
				System.out.println("你好，欢迎光临！");
			}
		});
	}
}
